Doorcheck



March 16 1926; 1,576,496

' R. ARCHER. SR

DOORCHIGK Filed March s1 1925 I 7 ATTORNEY.

INVENTOR fiabewrofiexdr, V

Patented Mar. 16, 19235.

UNETED STATES PATENT OFFICE.

DQORCHECK.

Application filed March 31, 1925. Serial No 19,559.

To all whom, it may concern:

Be it known that I, Ronnn'r Anorinn, S12, a citizen of the United States, residing at Fort lVashington, in the county of Montgomery and State of Pennsylvania, have invented certain new and 11861111 Improvements in Doorchecks, of which the following is a specification. 7

The Obj @0501 this invention is to provide improvements in door-cheeks, and particularly those designed for the primary purpose of arresting the rapid movement of a door in closing, and then permitting the door to continue its closing movement in such manner as to prevent noise or a slam.

Another object is to provide in such an article, a means constituting a rubber or similarly resilient member whiclrwith repeated use of the check, automatically rota-tes or otherwise shifts its position in such a way as to constantly alter its point of contact with the door, and thereby insure a un1- form though retarded wear of the said resilient member. I

A further object is to provide an improved support for the resilient member, which at the same time constitutes a partial housing 7 for the same, into which the said member retreats when in contact w1th a door, and which housing normally serves as a shelter to protect the said member from rain, snow,

sleet, and sun. v

Still another object is to provide a construction for such a check, that the housing member may be reversed with little effort, to make it adaptable for use on either rightor left-hand doors, and the check supporting plate being reversible without alteration.

And a still further object is to provide an attachment for a door, adaptedto co-operate with the improved check, so as to more efficiently operate the latter by more positively engaging the resilient member of the check, and permitting the check to be pos1- tioned in a more recessive position upon the jamb, than when no such attachment is ei'nployed.

With these and other objects in view, the present invention comprises additional novel details of construction and operation hereinutter fully brought out in the following description, wheni'eadin conjunction with the accompanying drawings, in which Fig 1 1s a side elevation of the improved checlt. 1n its anneal (patties tpen the jamb are door frame; Q is a similar view the but in its retracted position due to co-operation with the door as indicated; Fig. 3 is an end elevation of the check in the position shown in Fig. 1; Fig. 4 is a horizontal sectionof the check on thefline 47-4. of Fig. 1, but with the resilient member in plan; and Fig. 5 is a side elevation of the door attachment shown in co-operation with the resilient member of the check.

Referring to thedrawings, the jamb of a door-frame 1 is shown as being provided with a recessed portion 2 in which the adjacent edge portion of a door 3 is adapted to be positioned when closed.

T0 the frame 1 is secured by any suitable means a. plate 4:, having a boss 5 into which is removably secured one end portion of a stud 6, having an enlarged head 7 upon its outer end, in order to retain upon said stud the hollow supporting member and resilient means, constituting the principal parts of the check. x

The supporting member referred to comprises parallel side walls 8 and 9, through both of which the said stud extends, and which are connected by a rear wall 10 and end walls 11 and 12. There also extends be tween the side walls a second stud 13, which does not protrude beyond said walls, but which, like the first-mentioned stud, carries a sleeve 14:.

A. third stud 15 extends between parallel projections 16 of each of the said side walls,

and passes loosely through the centrally positioned enlarged aperture 17 of an annular ring 18 of rubber or other suitable resilient material. This ring extends partial- 1y into the supporting member, which also serves as a housing for the same, yet normally projects sufficiently therefrom to engage a door, as the latter in closing reaches the position shown in Figs. 1 and 4.

This operative position, of the check is normally maintained by the weight of the housing member about the pivotal stud causing the rubber ring to project l'orwarct ly, yet further movement in this direction is prevented by the engagement of the lug 19 with a lug 20, carried by the plate 4. The lug 19 comprises an integral extension from the small plate 21, which is removably secured to the ring-supporting member in such position'that when used for a door which swings in one direction, the lug projects laterally in one direetien, and reversal of the disc senses lag; in to project in the eg posite direction, in order for the check to be accommodated to a door which swings in the opposite direction.

In operation, when a door abruptlyengages the rubber ring with a smart blow, the latter is forced suddenly inwardly of the housing member and engages the sleeves 14 and the edge portion 22 of the upper end wall 11. The elastic ring being firmly engaged by the edge 22 and thus prevented from turning, the check cannot recede, and the movement of the door is arrested. However, while the door is on the rebound, due to the resiliency of the ring, the ring becomes loosened from the edge 22 of the wall 11, and upon the doors again engaging said ring but with less suddenness and more easily than before, the ring and its supporting housing oscillate upon the stud 6 into the position shown in Fig. 2, since the surface of the ring slides over the edge 22 without being indented by the latter. The check is prevented from turning much farther than the position there shown, due to a lug 23, formed integrally with the housing member, engaging the lug 20. Incidentally, there are two oppositely projecting lugs 23, to accommodate the device to rightand lefthand doors, as in the case of the plate 21 and lug 19.

In some instances it has been found advantageous to set the check much farther inwardly of the door-frame, and also to in crease the frictional contact between the door and the rubber ring. In such cases, the attachment shown in Fig 5 is secured to the door. This attachment comprises a body portion 24, secured in any suitable manner to the door, and provided with a series of teeth 25, corrugations, or the like, which directly engage the ring 18 as the door swiftly closes and cause the check to operate in the manner herinbefore described. From either arrangement, namely, the door with or without. the said attachment, the-weight of the housing member causes the check to oscillate upon the stud 6, as the door is opened, and the ring moves into the extended or operative position shown in Figs. 1 and 4.

Having thus described my invention, wh at I claim and desire to protect by Letters Patent of the United States is 1. A door check, comprising a hollow 2. A door check, comprising a hollow member, means for pivotally mounting said member upon a door jamb, means to limit the oscillatory movement of said member with respect to said first means, and an annular rubber member having an enlarged central aperture, and means carried by said first member and extending loosely through said aperture to support said rubber member and to permit the rubber member to freely alter its position with respect to said first supporting member.

3. A door check, comprising a hollow member having side and end walls, a bar extending between the side walls, a rubber ring, having an enlarged central opening through which said bar passes, and extending into said member, means to support said member upon a door frame, and when a door engages said ring, a portion of said ring being forced into temporary binding en gagement with one of the end walls of said member, and thereby arresting the movement of the door.

t. A door check, comprising a hollow lllOlIlbQl' having side and end walls, a bar extending between the side walls, a rubber ring, having an enlarged central opening through which said bar passes, and extending into said member, means to pivotally support said member upon a door frame and to limit the oscillatory movement of said member, so that when a door rapidly engages said ring, a portion of said ring is forced into temporary binding engagement with one end wall of said member to arrest the movement of the door, said member and ring'then oscillating into a retreating posi tion to permit the door to continue itshnovement and close in the frame.

In testimony whereof I have affixed my signature.

ROBERT ARCHER, Sa. 

